The computer system consists of two parts, which are the hardware system and the software system. The hardware system is an organic combination of various physical components composed of electrical, magnetic, optical, mechanical and other principles, and is the entity on which the system relies. The software system is a variety of programs and files used to direct the entire system to perform according to specified requirements. Work.
#The operating environment of this article: Windows 7 system, Dell G3 computer.
The computer system consists of two parts, which are the hardware system and the software system.
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The computer system is composed of hardware (sub)system and software (sub)system. The former is an organic combination of various physical components composed of electricity, magnetism, light, machinery and other principles, and is the entity on which the system relies. The latter are various programs and files used to direct the entire system to work according to specified requirements.
Computer systems are characterized by their ability to perform accurate and fast calculations and judgments, and are versatile, easy to use, and can be connected into a network.
①Calculation: Almost all complex calculations can be realized by computers through arithmetic operations and logical operations.
②Judgment: Computers have the ability to distinguish different situations and choose different processes, so they can be used in management, control, confrontation, decision-making, reasoning and other fields.
③Storage: Computers can store huge amounts of information.
④Accurate: As long as the word length is sufficient, the calculation accuracy is theoretically not limited.
⑤Fast: The time required for a computer operation has been as small as nanoseconds.
⑥General: Computers are programmable, and different programs can implement different applications.
⑦Easy to use: Rich high-performance software and intelligent human-machine interface greatly facilitate use.
⑧Networking: Multiple computer systems can transcend geographical boundaries and share remote information and software resources with the help of communication networks.
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